On Mar 22, 2013, at 4:04, Erin Hodgess <erinm.hodgess@gmail.com> wrote:
> Dear R People:
>
> I am trying to replicate a cool example that I saw on the R-bloggers some
> time ago by kafka399.
>
> Here are the lines tI think may be causing the trouble:
>
> gray_file <- read.pnm(path)
>
> pos[i,] <- c(gray_file@grey)
Hi Erin,
This is basically impossible to debug as is -- though I do note you spell that
color between white and black inconsistently; could you please put some effort
into making a true reproducible example or, at the very least, linking to the
project you are attempting to replicate?
Michael
http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example
>
> The warning error that I get is
> "In rep(cellres, length=2): x is NULL so the result will be NULL
>
> Any suggestions would be much appreciated.
>
> Thanks,
> Sincerely,
> Erin
>
>
>
>
>
> --
> Erin Hodgess
> Associate Professor
> Department of Computer and Mathematical Sciences
> University of Houston - Downtown
> mailto: erinm.hodgess@gmail.com
>
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>
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